Producing cross-sections

• what you need ruler, pencil and seperate A4 paper

• a section created by a plane cutting a solid perpendicular to its longest axis

• choose a point on the map where you want to start mark it "A"
• Make "B" on your finishing point\
• Measure with your ruler from point "A" to "B"
• Draw a line of the same measurement on the separate A4 sheet
• Draw two vertical lines on either side
• Using the contour lines that are on the map to make a general scale
• using specific points from "A" to "B" on the map
• mark on the separate piece of paper
• finaly join these dots together